*{
    margin: 0;
    padding: 0;
}
ul,li,ol{
    list-style: none;
}
a{
    text-decoration: none;
}
body{
    margin: 0;
}
.clear{
    clear: both;
    line-height: 0;
    height: 0;
    font-size: 0;
    overflow: hidden;
}
.all-head{
    height: 200px;
}
/*  logo部分描述  */
.logo{
    width: 600px;
    height: 120px;
    margin-left: auto;
    margin-right: auto;
}
.all-body{
    text-align: center;
}
.all-body-1{
    margin-top: 20px;
    font-size: 60px;
    font-family: monospace, monospace;
}
.pick{
    margin-top: 200px;
}
.btn{
    width: 100px;
    height: 50px;
    transition: 1s;
}
.btn:hover{
    background-color: #d58512;
}
#login{
    width: 800px;
    height: 600px;
}
.modal{
    margin-left: auto;
    margin-right: auto;
    margin-top: 200px;
}
.modal-header{
    font-family: cursive;
    font-size: 20px;
}
.modal-body{
    padding-top: 35px;
    margin:0 auto;
    font-size: 14px;
    font-family: fantasy;
    height: 250px;
}
.btn01{
    margin-left: 20px;
    width: 400px;
    height: 40px;
}
.btn02{
    line-height: 5px;
    width: 150px;
    height: 40px;
    transition: 1s;
    margin-left: 80px;
    margin-top: 8px;
}
.btn03{
    margin-top: 8px;
    line-height: 5px;
    margin-left: 130px;
    width: 150px;
    height: 40px;
}
.btn02:hover{
    background-color: #c7254e;
}
.select-one{
    width: 450px;
    height: 40px;
}
/********************************************************背景部分*********************************************/

canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: black;
    z-index: -1;
}


